Method and apparatus for holding a film transparency in a rotary

Details Method and apparatus for holding a film transparency in a rotary Method and apparatus for holding a film transparency in a rotary

1994-03-07

1996-11-12

Vu, Kim Yen

Facsimile and static presentation processing

Facsimile

Picture signal generator

358487, 358493, H04N 108

Patent

active

055745784

ABSTRACT:
A film transparency (7) is held by centrifugal force with its emulsion side in contact with the inside of the transparent drum (1) of a rotary drum scanner (1, 2, 3) used in a graphic reproduction process. A transparency locator is in the form of either an insert (4) or a clip device (20) and serves to hold the film transparency in position until the drum is rotating at a sufficiently high speed.

REFERENCES:
patent: 4685785 (1987-08-01), Mundt et al.
patent: 4723134 (1988-02-01), Morita et al.
patent: 4963997 (1990-10-01), Van Scooter
B. Coe, "The History of Movie Photography", published 1981, Ash and Grant, p. 32.

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